4" x 40" | 2350 GPD | 100 psi | 99.2% Rej. | Hydranautics ESPA Ultra-Low Pressure Membrane (Replaces ESPA4-4040) Whole House Systems 9 (201) BW30-400 fits nominal

9 (201) BW30-400 fits nominal 8" ID pressure vessels

KX MATRIKX 01-450-20-MATRIKX is the factory recommended direct replacement for MATRIKX 01-450-20-GREEN & 01-425-125-20

Benefits of AMI Water Softening Cartridges

Cartridge Dimensions: 2" to 2

GE Desal AG4021TM

4" x 40" | 2350 GPD | 100 psi | 99.2% Rej. | Hydranautics ESPA Ultra-Low Pressure Membrane (Replaces ESPA4-4040) Whole House Systems 9 (201) BW30-400 fits nominalHydranautics ESPA4 LD 4040 4" x 40" Membrane Element Combining energy efficiency with high rejection Hydranautics ESPA4 LD 4040 is the lowest feed pressure membranes offering low energy consumption. ESPA4 LD 4040 membranes require ultra low pressures without compromising high salt rejection and are commonly used in the second pass of a reverse osmosis system. The ESPA4 LD 4040 membrane is designed with Low differential (LD) Technology to minimize